*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}
*::-webkit-scrollbar {
    display: none;
}
a{
    color: #333;
    text-decoration: none;
    -webkit-tap-highlight-color:transparent;
}
.background-white{
    background-color: white;
}
.border-blue{
    border: 1px solid blue;
}
.font-normal{
    font-weight: normal;
}
.font-white{
    color: white;
}
.font-red{
    color: red;
}
.flex{
    display: flex;
}
.flex-align-center{
    align-items: center;
}
.flex-justify-center{
    justify-content: center;
}